直交鉄筋が配筋されたコンクリート接合面のせん断挙動と接合面表面粗さとの関係 : プレキャスト接合部のせん断挙動に関する研究

概要

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It is said that so-called shear friction is one of the important mechanisms for shear resistance on the construction joint. By the past studies it was said that coefficient of shear friction depended on only the way of roughing the construction joint. But the authors think that the coefficient of shear friction depends not only on the way of roughing the surface of construction joint but also on the estimated value of surface roughness defined mathematically. Measurement of surface roughness of construction joint and direct shear test of the joint was performed. By the measurement and the loading test it is concluded that the shear force can be predicted by using the estimate value of surface roughness of construction joint if slip dislocation is limited within 1mm, and that the behavior of joint bars and the coefficient of shear friction can be predicted by using the estimate value of surface roughness.
1998-06-30